English verb conjugation
COULD TETANISE

Regular verb: tetanise - tetanised - tetanised

Affirmation

Simple form	V-ing form
I could tetanise you could tetanise he could tetanise we could tetanise you could tetanise they could tetanise	I could be tetanising you could be tetanising he could be tetanising we could be tetanising you could be tetanising they could be tetanising
Perfect	V-ing perfect
I could have tetanised you could have tetanised he could have tetanised we could have tetanised you could have tetanised they could have tetanised	I could have been tetanising you could have been tetanising he could have been tetanising we could have been tetanising you could have been tetanising they could have been tetanising

Negation

Simple form	V-ing form
I couldn't tetanise you couldn't tetanise he couldn't tetanise we couldn't tetanise you couldn't tetanise they couldn't tetanise	I couldn't be tetanising you couldn't be tetanising he couldn't be tetanising we couldn't be tetanising you couldn't be tetanising they couldn't be tetanising
Perfect	V-ing perfect
I couldn't have tetanised you couldn't have tetanised he couldn't have tetanised we couldn't have tetanised you couldn't have tetanised they couldn't have tetanised	I couldn't have been tetanising you couldn't have been tetanising he couldn't have been tetanising we couldn't have been tetanising you couldn't have been tetanising they couldn't have been tetanising

Interrogative form

Simple form	V-ing form
could I tetanise? could you tetanise? could he tetanise? could we tetanise? could you tetanise? could they tetanise?	could I be tetanising? could you be tetanising? could he be tetanising? could we be tetanising? could you be tetanising? could they be tetanising?
Perfect	V-ing perfect
could I have tetanised? could you have tetanised? could he have tetanised? could we have tetanised? could you have tetanised? could they have tetanised?	could I have been tetanising? could you have been tetanising? could he have been tetanising? could we have been tetanising? could you have been tetanising? could they have been tetanising?

Interro-negative form

Simple form	V-ing form
couldn't I tetanise? couldn't you tetanise? couldn't he tetanise? couldn't we tetanise? couldn't you tetanise? couldn't they tetanise?	couldn't I be tetanising? couldn't you be tetanising? couldn't he be tetanising? couldn't we be tetanising? couldn't you be tetanising? couldn't they be tetanising?
Perfect	V-ing perfect
couldn't I have tetanised? couldn't you have tetanised? couldn't he have tetanised? couldn't we have tetanised? couldn't you have tetanised? couldn't they have tetanised?	couldn't I have been tetanising? couldn't you have been tetanising? couldn't he have been tetanising? couldn't we have been tetanising? couldn't you have been tetanising? couldn't they have been tetanising?